[ AC_TRY_COMPILE([linux/if_tun.h],
[int a = IFF_TAP],
if_tun_h="linux/if_tun.h",
- [ AC_TRY_COMPILE([$kerneldir/include/linux/if_tun.h],
+ if_tun_h="no")
+ if test $if_tun_h = no; then
+ AC_TRY_COMPILE([$kerneldir/include/linux/if_tun.h],
[int a = IFF_TAP],
if_tun_h="$kerneldir/include/linux/if_tun.h",
if_tun_h="no")
- ])
+ fi
if test $if_tun_h = no; then
AC_MSG_RESULT(none)
else